page_type: sample languages:

• azdeveloper
• python
• bash
• bicep
• prompty products:
• azure
• azure-openai
• azure-cognitive-search
• azure-cosmos-db urlFragment: contoso-chat name: Contoso Chat - Retail RAG Copilot with Azure AI Studio and Prompty (Python Implementation) description: Build, evaluate, and deploy, a RAG-based retail copilot that responds to customer questions with responses grounded in the retailer's product and customer data.

Contoso Chat: Retail RAG Copilot with Azure AI Studio and Prompty

Table of Contents

• Overview
• Features · Architecture Diagram
• Pre-Requisites
• Getting Started
  • GitHub Codespaces
  • VS Code Dev Containers
  • Local Environment
• Development
• Testing
• Deployment
• Guidance - Region Availability · Costs · Security
• Workshop 🆕 · Versions
• Resources · Code of Conduct · Responsible AI Guidelines

Important Security Notice

This template, the application code and configuration it contains, has been built to showcase Microsoft Azure specific services and tools. We strongly advise our customers not to make this code part of their production environments without implementing or enabling additional security features.

For a more comprehensive list of best practices and security recommendations for Intelligent Applications, visit our official documentation.

[!WARNING]

Some of the features used in this repository are in preview. Preview versions are provided without a service level agreement, and they are not recommended for production workloads. Certain features might not be supported or might have constrained capabilities. For more information, see Supplemental Terms of Use for Microsoft Azure Previews.

Sample application code is included in this project. You can use or modify this app code or you can rip it out and include your own.

Overview

Contoso Outdoor is an online retailer specializing in hiking and camping equipment for outdoor enthusiasts. The website offers an extensive catalog of products - resulting in customers needing product information and recommendations to assist them in making relevant purchases.

This sample implements Contoso Chat - a retail copilot solution for Contoso Outdoor that uses a retrieval augmented generation design pattern to ground chatbot responses in the retailer's product and customer data. Customers can ask questions from the website in natural language, and get relevant responses with potential recommendations based on their purchase history - with responsible AI practices to ensure response quality and safety.

The sample illustrates the end-to-end workflow (GenAIOps) for building a RAG-based copilot code-first with Azure AI and Prompty. By exploring and deploying this sample, you will learn to:

1. Ideate and iterate rapidly on app prototypes using Prompty
2. Deploy and use Azure OpenAI models for chat, embeddings and evaluation
3. Use Azure AI Search (indexes) and Azure CosmosDB (databases) for your data
4. Evaluate chat responses for quality using AI-assisted evaluation flows
5. Host the application as a FastAPI endpoint deployed to Azure Container Apps
6. Provision and deploy the solution using the Azure Developer CLI
7. Support Responsible AI practices with content safety & assessments

Features

The project template provides the following features:

• Azure OpenAI for embeddings, chat, and evaluation models
• Prompty for creating and managing prompts for rapid ideati
• Azure AI Search for performing semantic similarity search
• Azure CosmosDB for storing customer orders in a noSQL database
• Azure Container Apps for hosting the chat AI endpoint on Azure

It also comes with:

• Sample product and customer data for rapid prototyping
• Sample application code for chat and evaluation workflows
• Sample datasets and custom evaluators using prompty assets

Architecture Diagram

Pre-requisites

To deploy and explore the sample, you will need:

1. An active Azure subscription - Signup for a free account here
2. An active GitHub account - Signup for a free account here
3. Access to Azure OpenAI Services - Learn about Limited Access here
4. Access to Azure AI Search - With Semantic Ranker (premiun feature)
5. Available Quota for: text-embedding-ada-002, gpt-35-turbo. and gpt-4

We recommend deployments to swedencentral or francecentral as regions that can support all these models. In addition to the above, you will also need the ability to:

• provision Azure Monitor (free tier)
• provision Azure Container Apps (free tier)
• provision Azure CosmosDB for noSQL (free tier)

From a tooling perspective, familiarity with the following is useful:

• Visual Studio Code (and extensions)
• GitHub Codespaces and dev containers
• Python and Jupyter Notebooks
• Azure CLI, Azure Developer CLI and commandline usage

Getting Started

You have three options for setting up your development environment:

1. Use GitHub Codespaces - for a prebuilt dev environment in the cloud
2. Use Docker Desktop - for a prebuilt dev environment on local device
3. Use Manual Setup - for control over all aspects of local env setup

We recommend going with GitHub Codespaces for the fastest start and lowest maintenance overheads. Pick one option below - click to expand the section and view the details.

GitHub Codespaces

1. You can run this template virtually by using GitHub Codespaces. Click this button to open a web-based VS Code instance in your browser:

   

2. Once the codespaces environment is ready (this can take several minutes), open a new terminal in that VS Code instance - and proceed to the Development step.

VS Code Dev Containers

A related option is to use VS Code Dev Containers, which will open the project in your local Visual Studio Code editor using the Dev Containers extension:

1. Install Docker Desktop (if not installed), then start it.

2. Open the project in your local VS Code by clicking the button below:

   

3. Once the VS Code window shows the project files (this can take several minutes), open a new terminal in that VS Code instance - and proceed to the Development step.

Local environment

1. Install the required tools in your local device:

   • Azure Developer CLI (azd)
   • Python 3.10+
   • Docker Desktop
   • Git

   Note for Windows users: If you are not using a container to run this sample, note that our post-provisioning hooks make use of shell scripts. While we update scripts for different local device environments, we recommend using git bash to run samples correctly.

2. Initialize the project in your local device:

   • Create a new folder contoso-chat and cd into it
   • Run this command to download project template. Note that this command will initialize a git repository, so you do not need to clone this repository.

     azd init -t contoso-chat-openai-prompty
     

3. Install dependencies for the project, manually. Note that this is done for you automatically if you use the dev container options above.

       cd src/api
       pip install -r requirements.txt
   

You can now proceed to the next step - Development - where we will provision the required Azure infrastructure and deploy the application from the template using azd.

Development

Once you've completed the setup the project (using Codespaces, Dev Containers, or local environment) you should now have a Visual Studio Code editor open, with the project files loaded, and a terminal open for running commands. Let's verify that all required tools are installed.

az version
azd version
prompty --version
python --version

We can now proceed with next steps - click to expand for detailed instructions.

Testing

We can think about two levels of testing - manual validation and automated evaluation. The first is interactive, using a single test prompt to validate the prototype as we iterate. The second is code-driven, using a test prompt dataset to assess quality and safety of prototype responses for a diverse set of prompt inputs - and score them for criteria like coherence, fluency, relevance and groundedness based on built-in or custom evaluators.

Deployment

The solution is deployed using the Azure Developer CLI. The azd up command effectively calls azd provision and then azd deploy - allowing you to provision infrastructure and deploy the application with a single command. Subsequent calls to azd up (e.g., ,after making changes to the application) should be faster, re-deploying the application and updating infrastructure provisioning only if required. You can then test the deployed endpoint as described earlier.

Guidance

Region Availability

This template currently uses the following models: gpt35-turbo, gpt-4 and text-embedding-ada-002, which may not be available in all Azure regions, or may lack sufficient quota for your subscription in supported regions. Check for up-to-date region availability and select a region during deployment accordingly

We recommend using francecentral

Costs

Pricing for services may vary by region and usage and exact costs are hard to determine. You can estimate the cost of this project's architecture with Azure's pricing calculator with these services:

• Azure OpenAI - Standard tier, GPT-35-turbo and Ada models. See Pricing
• Azure AI Search - Basic tier, Semantic Ranker enabled. See Pricing
• Azure Cosmos DB for NoSQL - Serverless, Free Tier. See Pricing
• Azure Monitor - Serverless, Free Tier. See Pricing
• Azure Container Apps - Severless, Free Tier. See Pricing

Security

This template uses Managed Identity for authentication with key Azure services including Azure OpenAI, Azure AI Search, and Azure Cosmos DB. Applications can use managed identities to obtain Microsoft Entra tokens without having to manage any credentials. This also removes the need for developers to manage these credentials themselves and reduces their complexity.

Additionally, we have added a GitHub Action tool that scans the infrastructure-as-code files and generates a report containing any detected issues. To ensure best practices we recommend anyone creating solutions based on our templates ensure that the Github secret scanning setting is enabled in your repo.

Workshop

The sample has a docs/workshop folder with step-by-step guidance for developers, to help you deconstruct the codebase, and understand how to to provision, ideate, build, evaluate, and deploy, the application yourself, with your own data.

• The workshop may be offered as an instructor-guided option (e.g., on Microsoft AI Tour)
• The workshop can be completed at home as a self-paced lab with your own subscription.

Lab Guide

1. View Workshop Online - view a pre-built workshop version in your browser
2. View Workshop Locally - The workshop is built using Mkdocs. To preview it locally,
   • install mkdocs: pip install mkdocs-material
   • switch to folder: cd docs/workshop
   • launch preview: mkdocs serve
   • open browser to the preview URL specified

Have issues or questions about the workshop? Submit a new issue with a documentation tag.

Resources

1. Prompty Documentation
2. Azure AI Studio Documentation
3. Develop AI Apps using Azure AI Services
4. Azure AI Templates with Azure Developer CLI

Code of Conduct

This project has adopted the Microsoft Open Source Code of Conduct. Learn more here:

• Microsoft Open Source Code of Conduct
• Microsoft Code of Conduct FAQ
• Contact opencode@microsoft.com with questions or concerns

For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

Responsible AI Guidelines

This project follows below responsible AI guidelines and best practices, please review them before using this project:

• Microsoft Responsible AI Guidelines
• Responsible AI practices for Azure OpenAI models
• Safety evaluations transparency notes